Senior Java Developer

Job Purpose

The New York Stock Exchange (an Intercontinental Exchange company) is synonymous with finance - it's where global investors turn every day. As the world's most trusted equities exchange, we combine state-of-the-art technology with a human being at the point of sale.

The Senior Java Developer will be responsible for the coding and innovative design in support of Web applications. The individual will work on backend development interacting with various data sources and external systems.

The Senior Java Developer will work in a fluid and fast-moving team environment where ideas need to be communicated concisely and effectively. The individual must be self-motivated and a team player that also can work independently, escalating issues when appropriate. The Senior Java Developer must be able to work well in an agile environment, must be open to constructive criticism in the spirit of improving software quality, enjoys working with modern programming software and can take on complex tasks with little directions. The ideal candidate should be knowledgeable in newer concepts of Java, experience with database systems and troubleshooting.

Responsibilities

• Follow team guidelines for quality and consistency within the design and development phases of the application(s)
• Create software tests, verify the functionality and quality of the software
• Create design documentation for new software development and subsequent versions
• Provide support for production applications as issues arise during and after business hours
• Provide support for deployments during maintenance windows
• Identify opportunities to improve and optimize applications
• Work with product management in understanding new requirements
• Follow company software development processes and standards

Knowledge and Experience

• Bachelor's degree in Computer Science or related field
• 5+ years of professional software development experience using Java 8+
• Strong experience with Java functional programming
• Hands-on experience with Spring Boot Framework
• Proficiency in writing unit and integration tests using Spring Boot, Mockito, and Junit
• Experience in Java performance tuning, debugging and memory profiling
• 3+ years of experience with RESTful API development
• Experience with relational databases such as Oracle and PostgreSQL
• Solid understanding of OAuth 2.0 and common authentication/authorization mechanisms
• Familiarity with Git and CI/CD tools such as Jenkins
• Experience with Message Brokers such as RabbitMQ
• Experience with Kafka and data streaming architectures
• Familiarity with OpenAPI specifications for designing and documenting robust APIs

Preferred Knowledge and Experience

• Experience with Reactive Java and Spring WebFlux
• Experience with MyBatis or similar ORM frameworks
• Familiarity with Infrastructure as Code tools (e.g., Terraform, Helm)
• Experience with containerization technologies (e.g., Docker, Kubernetes)
• Understanding of microservices architecture and deployment patterns
• Experience with monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack)